Magpul PMAG 21 GL9 Glock 9mm 21-Round Magazine

The Magpul PMAG 21 GL9 is a 21-round handgun magazine chambered for 9mm and designed for double-stack Glock variants. Its all-polymer body combines a lightweight format with features intended to support identification, maintenance, and consistent handling. The magazine is made in the USA and has some protrusion below the grip when installed.

Key Specifications

• The magazine model is PMAG 21 GL9.
• The capacity is 21 rounds.
• The caliber is 9mm.
• The magazine is designed for full-size, compact, and sub-compact double-stack Glock 9mm handguns.
• The body is made from polymer.
• The finish and color are black.
• The magazine uses a stainless steel spring.
• The follower is a high-visibility controlled-tilt design.
• The body includes capacity indicator windows at 10, 15, and 21 rounds remaining.
• The package quantity is one magazine.

The PMAG 21 GL9 provides a practical 21-round format with a removable floorplate for cleaning, a dot-matrix marking panel, ridged floorplate edges, and a controlled-tilt follower. Its design accommodates Glock 9mm double-stack platforms while offering useful features for range use and organized equipment management.

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